baber/WOPTO huggingface dataset:
Patent CA-2078940-A1 (CA)
Inventor: NAKAGAWA YOSHIKAZU
IPC: H01L21/338
Filed: 1992-09-23
Abstract: A compound semiconductor device includes an undoped semiconductor layer; a doped semiconductor layer formed on the undoped  semiconductor  layer  and  having  smaller  electron affinity than the undoped semiconductor layer; a gate electrode formed on the doped semiconductor layer; a cap layer formed on the doped semiconductor layer; and a source electrode and a drain electrode respectively formed on the cap layer.  In the device,  an undoped-material  layer having  greater electron affinity than the doped semiconductor layer and the cap layer, is formed between the doped semiconductor layer and the cap layer.  A layer which has the same composition and impurities as those of the doped semiconductor layer and whose impurity concentration  is  sufficiently  higher  than  an impurity concentration of the doped semiconductor layer may, be provided between the doped semiconductor layer and the cap layer.
Patent CA-2079262-A1 (CA)
Title: Apparatus and method for measuring a bodily constituent
Inventor: MIFFITT DONALD
IPC: B64D17/78
Filed: 1992-09-28
Abstract: Abstract An apparatus and method for measuring a bodily constituent such as glucose or cholesterol by taking the sample taken from the body such as blood, saliva or urine.  The sample is placed on a test strip inserted into the test block portion of the apparatus where the portion of the sample containing the constituent desired to be measured reacts with a chemical reagent.  Products of this reaction have an absorbance/reflectance characteristic which is mathematically related to the concentration of the constituent in the bodily sample. The reflected light is absorbed by a photodiode and the output of the photodiode converted to a digital form where a microprocessor can calculate the concentration of the constituent using the mathematical relationship between the reflected light and concentration stored in memory means of the apparatus.
Patent CA-2081246-A1 (CA)
Title: Electric stringed instrument having a device for sustaining the vibration of a string and an electromagnetic driver for the device
Inventor: TUMURA KENJI
IPC: G10H3/26
Filed: 1992-10-23
Abstract: AN ELECTRIC STRINGED INSTRUMENT HAVING A DEVICE FOR      SUSTAINING THE VIBRATION OF A STRING AND AN ELECTROMAGNETIC DRIVER FOR THE DEVICE    ABSTRACT OF THE DISCLOSURE      A stringed instrument having a device for sustaining the vibration of a string; the stringed instrument being a musical instrument having plural strings with the mass and tension of each string being different, comprises a pickup unit for detecting the vibration of a string, an amplifying unit for amplifying an electric signal detected by the pickup unit, an electromagnetic driver for emitting magnetic energy to drive a string by a driving signal output from the amplifying unit, and an excitation balance matching unit for providing well-balanced excitation to each of the plural strings and/or a magnetic flux emission controlling unit for increasing the quantity of magnetic flux emission in the direction of a string.
Patent CA-2084343-A1 (CA)
Title: Method and apparatus for the high volume processing of valuable excavated mineral ores
Inventor: FARLEY DAVID D
IPC: B03B9/00
Filed: 1992-12-02
Abstract: VII. Abstract A valuable ore containing mineral classifier and concentrator, capable of high-volume processing of raw material. The self-propelled plant is designed to accept excavated material directly for washing and classifying as a means for separating the valuable ore containing materials from all other waste materials. A grate system comprised of a plurality of parallel, and equally spaced rods allows material of a predetermined size to pass onto a concentrator section of the processing plant, while the waste material is forced from one end of the plant. Upward projections in the grate system serve to actively transport materials toward the discharge area. In addition, "live" sluice boxes are employed to prevent any necessary operator intervention for such tasks as cleaning out compacted sediment. Actuating rod members keep turbid conditions within the sluice boxes to prevent settling of waste material, and eventual compaction. The processing plant is capable of self-propulsion as one embodiment is designed with a track system, allowing it to traverse the most commonly encountered rough terrain.
Patent CA-2084805-A1 (CA)
Title: Pinch trigger pump hand water gun with multiple tanks
Inventor: JOHNSON LONNIE G
IPC: F41B9/00
Filed: 1992-12-08
Abstract: ABSTRACT OF DISCLOSURE The present invention is directed to a toy water gun which is operated by selectively releasing water from a pressurized water reservoir.  The present invention has a manually operated pump incorporated into the design.  As the pump is cycled, water and/or air are drawn from at least  one water storage reservoir.  Once drawn, the water and/or air are forced into at least one pressure tank.  As the amount of water and/or air forced into the pressure tank increases, the pressure of the air displaced by the water within the pressure  tank increases.  The pressure of the air on the water within the pressure tank increases with each cycle of the pump, until the pump can no longer overcome the pressure of the air of the water within the pressure tank.  The pressurized air and water within the pressure tank has an avenue of release that is regulated by the trigger mechanism of the invention which has a safety pressure release within its design.  When no force is applied to the trigger, the pressurized water and air are held at bay with no means of release.  When force is applied to the trigger, the heavier water is first released from the bottom of the pressurized tank and is channeled through a narrow nozzle.  The escape of the pressurized water through the narrow nozzle creates a stream of propelled water that lasts  as long as the trigger is engaged or until the pressure within the pressurized tank equals the ambient air pressure.  The number of water storage reservoirs and pressure tanks combined totals at least three.
Patent CA-2085993-A1 (CA)
Title: Angiotensin converting enzyme inhibitors
Inventor: BAXTER ANDREW J G
IPC: C07C233/47
Filed: 1991-06-18
Abstract: There are disclosed compounds of formula (I):  Z(CH2)nCHR1COOCHR2COOH, in which Z is -SR3, -COCHR4NHCOR5, (a) or -NHCHR7COOH; R4, R5, R6 and R7, which may be the same or different, are each phenyl or alkylphenyl C7-12; R1 is hydrogen, alkyl C1-6, NHR8 or (CH2)pR9; R2 is (CH2)mXR10, alkyl C1-6 optionally substituted by a saturated 5- or 6-membered carbocyclic or heterocyclic ring, alkylhalo C1-6, alkylcyano C1-6, or alkylphenyl C7-12, the phenyl being optionally substituted by NO2 or NH2; X is O, S(O)q, C=O or NR11, and R10 is alkyl C1-6, alkylhalo C1-6, alkoxy C1-6, alkoxy C1-6 substituted by halogen, alkanoyl C1-6, S(O)rR12, NR13R14, phenyl, alkylphenyl C7-12, naphthalenyl or a 5-membered unsaturated heterocyclic ring; n is an integer from 0 to 6; m and p, which may be the same or different, are each an integer from 1 to 6; R9 is hydrogen, SR15 or phenyl optionally substituted by OR16; R3 and R15, which may be the same or different, are each hydrogen or alkanoyl C1-6; R8 is hydrogen or COOR17; q and r, which may be the same or different, are each 0, 1 or 2, and R11, R12, R13, R14, R16 and R17, which may be the same or different, are each hydrogen or alkyl C1-6; and pharmaceutically acceptable salts thereof, with certain provisos.  Processes for the preparation of the compounds, pharmaceutical compositions containing them and methods of treatment involving their use are also described.
Patent CA-2086724-A1 (CA)
Title: Isolant pour cables electriques
Inventor: CHABAGNO JEAN M
IPC: H01B3/44
Filed: 1993-01-05
Abstract: BREVET D'INVENTION "ISOLANT POUR CABLES ELECTRIQUES" Déposant: ELF ATOCHEM S.A. La présente invention concerne une composition isolante pour câble électrique comprenant un mélange d'un copolymère éthylène-acrylate d'alkyle ou éthylène-acétate de vinyle et d'un composé polymérique, ledit composé polymérique étant un terpolymère d'éthylène-acrylate d'alkyleanhydride maléique ou un terpolymère éthylène-acétate de vinyle-anhy-dride maléique, et des additifs usuels comme par exemple un agent de réticulation, son emploi pour la préparation d'une gaine d'isolation des câbles électriques et la gaine d'isolation obtenue. FIG. 1
Patent CA-2086934-A1 (CA)
Inventor: SERLACHIUS JARL-FREDRIK
IPC: A62B1/04
Filed: 1991-07-12
Abstract: The invention relates to a device for power exerting connection to a flexible elongated pulling means (4). The invention also relates to a specific use of the device in connection with flexible pieces. The device comprises at least three elements extending into different directions, each element having a respective contact surface (1, 2, 3), at which said elongated pulling means (4) is laid, so that a first loop (5) of said pulling means (4) runs from one essentially unloaded end (6) along a first contact surface (1) at a first leg (7). Thereafter said pulling means (4) runs over a second contact surface (2) at a second leg (8) and behind an essentially tenon-like protrusion (9) having a third contact surface (3). Said first leg (7) converges at least slightly against an opposite guiding or straining surface (12) at said second leg (8). Due to the arrangement said pulling means (4) is centered to be locked at said contact surface (1) at said first leg (7).
Patent CA-2087981-A1 (CA)
Title: Work chair, more particularly an office chair
Inventor: TOBLER PETER
IPC: A47C1/032
Filed: 1992-05-22
Abstract: The working chair has a seat bearer (11), a seat (15) articulated on the seat bearer (11) and a squab bearer (25) with a squab (29). The squab bearer (25) has a spindle (23) on the seat bearer (11). One arm (27) is articulated on the squab (29) and the other (31) on the seat (15). The simple mechanical arrangement (20, 22, 23, 25, 35) thus formed causes the seat to be moved in one direction of rotation (47) when the squab bearer (25) is moved in the other (43). As in lying down and relaxing, the knee and hip joints thus undergo an extension. This produces a sound lordosis. The spindle (23) and the articulation axis (35) lie in a plane (36) inclined at about 70· to the horizontal. Regardless whether a person is heavy or light, relatively little force on the squab (29) is needed to raise the seat (15). As the seat (15) and the squab (29) remain close together during any movement, the tendency for the shirt to be pulled out is prevented. The movement of the seat backwards and downwards when the squab is tipped backwards prevents blood congestion at the back of the knees.
Patent CA-2091042-A1 (CA)
Title: Thick bodies heat set molding
Inventor: ZOLLER ROBERT A
IPC: B60R13/04
Filed: 1993-03-04
Abstract: ABSTRACT OF THE DISCLOSURE      A trim strip which has a thick body portion is formed with a fused outer perimeter.  The central portion generally remains in a partially fused or incompletely fused state reducing cost while  providing  a  trim  strip  with  a  pleasing  aesthetic appearance.
Patent CA-2092237-A1 (CA)
Inventor: KONIJN GERRIT
IPC: B01D3/20
Filed: 1993-03-23
Abstract: Device for counter-currently contacting gas and liquid com-prising a normally vertical column (1) having a gas inlet and a liquid outlet at its lower end and a gas outlet (2) and a liquid inlet (3) at its upper end, which column (1) is provided with gas/liquid contacting means (6) arranged in the column (1) between the gas inlet and the liquid inlet (3), and with a gas/liquid separator (30) arranged above the gas/liquid contacting means (6), which separator (30) comprises a horizontal collection tray (31) provided with passages (32) communicating with a separation device (33) and with one or more vertical distribution tube(s) (37) extending through the horizontal collection tray (31) to the gas/liquid contacting means (6), wherein the separation device (33) has a gas outlet (42) communicating with the gas outlet (2) of the column (1) and a liquid outlet (43) debouching onto the collection tray (31), and wherein the liquid inlet (3) debouches onto the horizontal collection tray (31).
Patent CA-2092865-A1 (CA)
Title: Protection device for a christmas tree
Inventor: SEDOR DONALD R
IPC: E01F13/02
Filed: 1993-03-29
Abstract: PROTECTION DEVICE FOR A CHRISTMAS TREE          ABSTRACT OF THE DISCLOSURE        A Christmas tree presented in front of a wall is protected from small children or pets by a fence structure including a plurality of fence panels which are connected together at angles  to define a  front  fence panel  and at least two side panels with the side panels extending from the wall generally at right angles.   The side panels are interconnected by a transverse rear rail which engages along the wall and holds the structure rigid.
Patent CA-2093723-A1 (CA)
Inventor: BOUISSET MICHEL
IPC: C07C253/30
Filed: 1993-04-08
Abstract: The subject of the invention is a process for the preparation of 4-methyl-2'-cyanobiphenyl of formula:      w h e r e i n a benzonitrile halide of general formula:      in which Hal represents a halogen atom, is reacted, in the presence of a manganese salt, with an organometallic derivative of general formula:      in which X represents a halogen atom, and the complex obtained is then hydrolysed, which provides the desired compound.
Patent CA-2094647-A1 (CA)
Title: Electronic book
Inventor: SYPOSZ WIELAW J
IPC: G09B5/06
Filed: 1993-04-22
Abstract: READMAN - THE ELECTRONIC BOOK            Abstract This invention is meant to replace the paper as a medium for printing of books. In this invention, the paper is replaced by the flat display, including (but not limited to) LCD (Liquid Crystal Display).  The content of the book is stored as the binary code in Solid State Device, including (but not limited to) ROM (Read Only Memory), is translated into the alphanumerical characters and graphics as found in the traditional/paper books. There is only one display required, with many of the Solid State Devices (Memory Chips) connected to it.  Therefore, there would be less storage space required for the library. Having the books store electronically would make it easier to transfer information contained there.
Patent CA-2095150-A1 (CA)
Inventor: CONWAY MARLENE E
IPC: D21B1/02
Filed: 1991-10-29
Abstract: A process for the treatment of absorbent sanitary paper products to separate such products into components thereof in a form suitable for recycling or re-use is disclosed; absorbent sanitary paper products include disposable diapers, incontinence products, feminine hygiene products, bedpads and other related absorbent and adsorbent products. The process comprises the step of treating said products in at least one bath of an aqueous solution to remove particulate and/or soluble matter from the products. The bath is operated under conditions that are conductive to non-destructive separation of said products into components thereof. In preferred embodiments, the treated product thus obtained is treated with at least one aqueous washing solution and with at least one aqueous solution of at least one of bleaching agent and antimicrobial agent, and separate streams of plastic and cellulosic materials are recovered. The process results in the recovery of usable products from absorbent sanitary paper products.
Patent CA-2095819-A1 (CA)
Title: Non-aqueous microemulsion for drug delivery
Inventor: GEYER ROBERT P
IPC: A61K47/12
Filed: 1991-11-12
Abstract: Palatable liquid therapeutic microemulsion wherein a drug dissolved in propylene glycol is dispersed in fatty ester. Lecithin is the emulsifier.
Patent CA-2099603-A1 (CA)
Title: New pyridine derivatives, processes for their preparation and use as medicaments
Inventor: FRIEBE WALTER-GUNAR
IPC: C07D401/12
Filed: 1991-11-28
Abstract: The invention concerns compounds of formula (I), in which A is an alkylene rest with 1 to 3 carbon atoms or a -CH=CH- group; B is an oxygen atom or a valency bond; m is a whole number from 0 to 5; n is 0 or 1; X is a valency bond, an oxygen atom or a sulphur atom; Y is a valency bond or a phenylene rest optionally substituted by one or more C1-C6 alkyl, C1-C6 alkoxy, halogen, hydroxy or aminocarbonyl; Z is hydrogen, halogen, a C1-C6 alkyl or cyano; R is a CN, COOH, COO(C1-C6 alkyl), CONH-tetrazolyl, CON(OH)(C1-C6 alkyl) or 5-(1H)-tetrazolyl group and if Y is a phenylene rest, R may also be hydrogen; with the exception of the compound 4-[2-(4)-pyridinovinyl]-carboxymethoxybenzene. The invention also concerns physiologically tolerable salts of these compounds, methods of preparing them and drugs containing the compounds for the treatment of allergies.
Patent CA-2100651-A1 (CA)
Inventor: SCHWEITZER EDMUND O JR
IPC: G01R31/58
Filed: 1993-07-15
Abstract: A fault indicator for indicating at a remote location the occurrence of a fault current in a monitored electrical conductor of an AC power distribution system utilizes a liquid crystal display having independent "F" and "N" optical display and optical shutter electrodes. A rectifier circuit capacitively coupled to the conductor charges a first capacitor in the presence of voltage on the conductor.      A second capacitor us connected to the first capacitor by a first reed switch in magnetic communication with the conductor. Upon occurrence of a fault current the reed switch closes and a portion of the charge on the first capacitor is transferred to the second capacitor, which is connected to the "F" display actuator electrodes of the liquid crystal display to cause an "F" to be displayed and an associated optical shutter to open. The fault indication can be reset either by the slow discharge of the second capacitor, or by discharging the second capacitor through a second reed switch manually actuated by a magnetic reset tool from outside the fault indicator housing. The "N" display actuator electrodes are capacitively coupled to the monitored conductor and system ground to cause an "N" to be displayed and an associated optical shutter electrode to open to indicate that voltage is present on the conductor.      First and second light sources are caused to project through respective ones of the optical shutter electrodes onto respective first and second photodetectors. A first control circuit responsive to the output of the first photodetector provides a first output signal indicative of the occurrence of a fault. A second control circuit responsive to the second photodetector provides a second output signal indicative of the presence of voltage on the conductor.
Patent CA-2103281-A1 (CA)
Inventor: GOULAIT DAVID J K
IPC: A61F13/56
Filed: 1992-05-04
Abstract: A female component is provided for engaging a complementary hook component in a refastenable fastening device. The female component comprises a nonwoven web secured to a backing. The nonwoven web has a basis weight of between about 6 and about 42 grams/meter2. The nonwoven web may comprise, among other types of nonwovens, a carded web with fibers between about 2.5 cm and about 13 cm long, or a spunbonded web with continuous length fibers. The denier of the fibers should be between about 0.5 and about 15. The total area occupied by any bonds between the fibers comprising the nonwoven web is less than about six percent of the total area of the web. The total area occupied by both the bonds between the fibers comprising the nonwoven web and by the bonds between the nonwoven web and the backing is between about 10 percent and about 35 percent of the total area of the female component.
Patent CA-2105888-A1 (CA)
Title: Use of a direct thrombin inhibitor in the production of a drug presenting a thrombolytic activity
Inventor: BERRY CHRISTOPHER
IPC: A61K31/47
Filed: 1993-09-10
Abstract: Use of a direct inhibitor of thrombin for the production of a drug (medicament) with thrombolytic activity.
Patent CA-2107617-A1 (CA)
Title: Pigment compositions for solvent and water-based ink systems and the methods for producing them
Inventor: KAMMER JOSEPH
IPC: C09D11/02
Filed: 1993-10-04
Abstract: ABSTRACT     This invention is an azo pigment composition containing a water insoluble metal salt of a water soluble polymer; a method of preparing said composition and ink compositions prepared from said azo pigment compositions.
Patent CA-2110039-A1 (CA)
Title: Method and circuit for direct-current transmission
Inventor: KARLECIK-MAIER FRANZ
IPC: H02J3/36
Filed: 1991-05-27
Abstract: ABSTRACT OF THE DISCLOSURE       In order to improve the operation of a dc transmission unit (G?) between a rectifier (R) and an inverter (1), an extinction angle signal (LS) of the inverter (I) is fed as reference variable to the rectifier regulator (RR). Acurrent signal (ID) of the dc transmission unit (G?) is preferably fed to an inverter regulator (IR) of the inverter (I) as input variable. In addition, the current signal (ID) can be fed as input variable to the rectifier regulator (RR) for the start-up and/or in the event of a malfunction. Another solution consists of a circuit arrangement (S1, S2, S3) for the carrying out of the method.
Patent CA-2110198-A1 (CA)
Title: Method and Apparatus for Cleaning Flue Gases
Inventor: DAVIS CHARLES
IPC: B01D53/50
Filed: 1993-11-29
Abstract: A method of cleaning hot flue or process gases utilizing a barrier filter module formed of a monolithic ceramic filter support structure coated with a thin porous ceramic layer having a pore size of about 0.04 to 0.5 microns, and a catalyst module formed of a support structure coated with catalyst is provided.  The steps are:  passing the gas through the barrier filter module, in contact with the thin porous ceramic layer with pore size of about 0.04 - 0.5 microns, and then passing the gas through the catalyst module so that there is a catalytic reaction with the gas.
Patent CA-2111122-A1 (CA)
Inventor: NEUMILLER PHILLIP J
IPC: A61K8/04
Filed: 1991-09-13
Abstract: An aqueous emulsion system containing vesicular structures which is used to prepare an aerosol delivery sys-tem. The vesicular structures of the emulsion provide a reser-voiring effect for the propellant, enabling the aerosol system to be effective with a very low VOC content.
Patent CA-2115767-A1 (CA)
Title: Method and apparatus for testing of circumferentially compliant bioprosthetic valve
Inventor: EBERHARDT CAROL E
IPC: A61F2/24
Filed: 1993-06-30
Abstract: A fixture for testing a circumferentially compliant bioprosthetic valve (14). The fixture comprises a silicone rubber simulated aorta (10) which approximates the geometry of a healthy human aorta and a cradle for the aorta. The compliance characteristics of the aorta (10) can be selected by varying the proportions of ingredients in the silicone rubber, so that simulated aortas (10) of different compliance but identical geometries can be provided. The compliant valve (14) is disposed inside the aorta (10) and held in place by suturing or the like. In one embodiment, the aorta (10) and valve (14) are supported by means of a cylindrical cradle (22), with the inflow and outflow ends of the aorta (10) being folded over cylindrical rims (40, 42) on the respective inflow and outflow ends of the cradle (22). End caps (24, 26) are then fitted in place over the folded-over ends of the aorta, the end caps (24, 26) having holes therein to allow flow through the aorta (10) and valve (14). The end caps (24, 26) are provided with O-rings (33, 39) on their outer surfaces, so that the assembled fixture can be inserted into a testing apparatus, with the aorta (10) and valve (14) held in place in the sealed flow loop of the apparatus.  In another embodiment, adapter rings (70, 72) are provided for the inflow and outflow ends of the aorta (10), with the ends of the aorta being folded over cylindrical rims (74, 76) disposed around the inner circumference of each of the adapter rings (70, 72).  The adapter rings (70, 72) are also provided with O-rings (78, 80), allowing the ends of the aorta to be received in a testing apparatus so that the aorta (10) and valve (14) are disposed along the sealed flow loop of the apparatus.